JPH0620747U - Prop device - Google Patents

Abstract

(57) [Abstract] [Purpose] To facilitate the convenience and speed of work when forming a scaffold. [Structure] A column member 1 having a large number of flanges 11 at regular intervals on an outer peripheral surface of a pipe-shaped main body, and a bifurcated connecting portion 2 having an upper side portion 21a and a lower side portion 21c at an end portion of the pipe-shaped main body.
1 and a wedge 22 inserted into the hole 11a of the connecting portion and the hole of the flange, and when the flange is present in the connecting portion, the flange and the upper side portion of the connecting portion In a strut device formed by press-fitting the wedge into each hole formed in the lower side portion and communicating with each other, and connecting the column member and the connecting member, a plurality of flanges are formed. The holes have the same shape, and the holes of the flange are the outer peripheral side edges 22a,
22b Must have a deep wide guide portion 11b at the center.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a strut device optimal for forming a erection device such as an erection scaffold or a panel support.

[0002]

[Prior art]

 As a device used for forming an erection scaffold or a panel support, there is a device proposed in Japanese Patent Publication No. 54-36407.

That is, the above-mentioned proposal assumes that a large number of rings are provided at regular intervals in the axial direction on the outer peripheral surface of a pipe material which is a longitudinal material, and the ring has a 90 ° oblong cut-out positional relationship. It is said that the four notches and the notches having a different shape from the above notches are formed so that one notch is provided between the notches and a total of four notches.

A connection shoe having a slit that allows the ring to be distributed is provided in the ring, and the shoe has a wedge that is inserted in a direction that penetrates the slit. It is said that it has a hole that allows insertion.

Further, the shoe is arranged to be connected to one end or both ends of the lateral member.

It should be noted that the oblong cutout and the differently shaped notch both have the same radial length, and in particular, the differently shaped notch has the same length in the circumferential direction. It is formed into a substantially fan shape whose size is significantly larger than the size of the oblong cutout in the circumferential direction.

Therefore, the longitudinal member having the ring is a so-called pillar member, the lateral member having the shoe is a so-called connecting member such as a horizontal bridge member or a brace, and the both members are appropriately wedged. If multiple materials are connected and assembled, a desired scaffold can be formed in an arbitrary size.

[0008]

[Problems to be solved by the device]

 However, the above-mentioned proposal is inconvenient to use and is not suitable for diversion to other purposes.

That is, in the case of forming a combined scaffold using the device according to the above-mentioned proposal, when a longitudinal member having a ring is erected, an oval notch is used to arrange a lateral member having a shoe. Care must be taken to ensure accurate positioning in the so-called right-angle direction, which is the installation direction.

If the horizontal members are connected at right angles to the vertical members without taking the above-mentioned consideration into consideration, wedges penetrating the shoe may insert the wide fan-shaped notches of the ring. Under the condition, even if a horizontal diagonal member having an angle of 45 degrees with respect to the transverse member is further connected to the longitudinal member, the wedge penetrating the shoe cannot insert the oblong cutout. Therefore, it may be impossible to connect the horizontal diagonal members.

Therefore, when the above-mentioned vertical members are erected as vertical members of the assembled scaffold, they are accurately positioned in advance so that the oblong cutouts are perpendicular to the transverse members. Since it is always necessary to consider the connection of the connecting material after it has been made, there is the inconvenience that it is difficult to obtain convenience and speed in scaffolding work.

Further, in the above-mentioned proposal, the wedge used for connecting the longitudinal member and the lateral member is formed only to have a V-shaped front shape which is generally used conventionally. Therefore, if vertical vibrations generated in the vertical material, etc. act on the wedges, the vibrations will easily cause them to slip out of the press-fitted holes and facilitate the fixed connection of both materials. There is an inconvenience that it is easy to release.

Further, in the proposal of steaming, when the device is to be used for other uses such as pipe support, it is necessary to configure all the materials so as to have strength and durability suitable for the use. There is also the disadvantage that the design change of the members will be introduced, and the number of members will increase, which makes it extremely uneconomical.

In view of the above-mentioned circumstances, the present invention has an object to make it easy to obtain convenience and speed of work when forming a scaffold.

[0015]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the structure of the strut device according to the present invention comprises a pillar material having a plurality of flanges at regular intervals on the outer peripheral surface of the pipe-shaped body, and an upper side portion and a lower side portion at the end of the pipe-shaped body. A connecting member provided with a fork-shaped connecting portion, and a wedge inserted into the hole of the connecting portion and the hole of the flange, and the flange when the flange is present in the connecting portion. And a pillar device formed by press-fitting the wedge into the holes formed in the upper side and the lower side of the connecting portion and in communication with each other to connect the column member and the connecting member with each other. The plurality of holes formed in 1) have the same shape, and the hole of the flange has a deep wide guide portion at the center of the outer peripheral side edge thereof.

[0016]

[Action]

 Since a plurality of holes of the flange are formed with the same shape, it is easy to obtain the directionality when the pillar material is set up as a longitudinal material, and the hole has a wide guide part. When connecting the connecting members, the connecting angle of the connecting members can be selected while finely adjusting the angle.

[0017]

【Example】

 Hereinafter, the present invention will be described based on the illustrated embodiments.

As shown in FIGS. 1 and 2, the pillar device according to the present invention comprises a pillar member 1 and a connecting member 2, and a large number of these pillar members 1 and connecting members 2 are connected to each other to construct a scaffold or a scaffold. It is possible to form a construction device or a erection device such as a tower (see FIGS. 5 to 9).

The pillar 1 includes a pipe-shaped main body 10, a plurality of annular flanges 11 arranged on the outer peripheral surface of the main body 10, and a jack 12 arranged at the lower end of the main body 10. To have.

Then, when necessary, an auxiliary body 13 formed to have the annular flange 11 on the outer circumference is connected to the upper end of the main body 10 as in the case of the main body 10.

In the present embodiment, the auxiliary body 13 is connected to the main body 10 by connecting the lower end of the pipe-shaped guide 13a connected to the lower end of the auxiliary body 13 to the main body 10 as shown in FIG. It is stated that the bolt 13b inserted into the upper end of the main body 10 and penetrated from the upper end of the main body 10 can be connected to the main body 10, but the pipe-shaped guide 13a is connected to the main body 10 side instead. It may be done.

The jack 12 may be arranged on the upper end of the main body or the auxiliary body 13.

The length and thickness of the main body 10 are set according to the application of the device of the present invention, and are essentially arbitrary.

Although the main body 10 is formed of a round pipe in the illustrated embodiment, it may be replaced by a square pipe.

The flange 11 is arranged at an appropriate interval in the axial direction of the main body 10 and is fixed thereto by welding or the like. As shown in FIG. 3, the flange 11 is provided between an inner peripheral side end and an outer peripheral side end thereof. Is formed to have a constant L.

As shown by the phantom line in FIG. 3, the constant dimension L is invariable even if the main body 10 has a large diameter due to a so-called design change, and as a result, is connected to the pillar 1. The connecting member 2 can be used without requiring a design change.

Further, the flange 11 has a large number of holes 11a of the same shape which are bored in eight radial directions so as to cut out the wall thickness thereof, and the holes 11a and the inner peripheral side edge thereof are formed. The outer peripheral side edge is formed so as to be concentric with the flange 11, and both side edges are formed in the same fan-shaped same shape so as to be in the half meridian direction of the flange 11. .

Further, it is assumed that a wide guide portion 11b at the center and narrow guide portions 11c on both sides are formed on the outer peripheral side edge of the hole 11a so as to be adjacent to the wedge when the wedge is inserted. There is.

Therefore, as shown in FIG. 3, assuming that wedges are inserted into the holes 11a of the flange 11, the angle between the wedges is 45 when the wide guide portion 11b is inserted. The angle is set to a constant angle of 90 degrees or 90 degrees, and when the narrow guide portion 11c is inserted, the angle can be set to about 30 degrees or 60 degrees.

In the present embodiment, the jack 12 has a handle 12c screwed onto a screw rod 12b having a base plate 12a at the lower end, and a connector 12d at the upper end on the upper surface of the handle 12c. It holds the lower end of the pipe 12e.

Then, with the lower end of the main body 10 inserted in the connector 12d, the handle 12c is screwed to move the pipe 12e, that is, the main body 10 up and down along the axial direction thereof. , So that its reference height can be changed.

In this embodiment, the flange 11 is fixed to the outer circumference of the pipe 12e of the jack 12.

The connecting member 2 has a pipe-shaped main body 20 and connecting portions 21 connected to both ends of the main body 20 in a fixed state, and a wedge 22 is held in the connecting portion 21. ing.

In the illustrated embodiment, the connecting member 2 is a so-called lateral member that is adjacent to the pillar member 1 in the horizontal direction. Needless to say, it may be a so-called diagonal member such as a brace or a horizontal diagonal member that is adjacent to the unit 1 in an oblique direction.

The length of the main body 20 is set according to the intended use of the device of the present invention, and it is naturally arbitrary, and may be formed in a fixed length or in a stretchable manner. .

Further, in the present embodiment, it is assumed that the pipe is formed of a round pipe, but instead of this, a square pipe may be formed.

As shown in FIG. 2, the connecting portion 21 has an upper side portion 21a and a lower side portion 21b, and a guide portion 21c between the upper side portion 21a and the lower side portion 21b. , Is formed in a laterally bifurcated shape.

The upper side portion 21a and the lower side portion 21b are respectively formed with holes 21d and 21e through which the wedge 22 can be inserted, and the guide portions 21c are formed in the holes 21d and 21e, respectively. The holes 11a of the flange 11 that are present inside are opposed to each other.

Therefore, when the connecting portion 21 is provided on the flange 11, the holes 21d, 11a and 21e are vertically communicated with each other, and when the wedge 22 is inserted, that is, press-fitted in the communicating state. The pillar 1 and the connecting member 2 can be connected.

As shown in FIG. 4, the wedge 22 is formed so as to have a V-shape extending from both sides thereof, that is, an inner edge 22a and an outer edge 22b. A slanted edge portion is formed at an acute angle with the edge 22a and in the same direction or substantially the same direction as the extension line of the other outer edge.

Therefore, as shown in FIG. 2, when the wedge 22 is press-fitted into the holes 21 d, 11 a and 21 e in the communicating state, the tip of the connecting portion 21 is brought into contact with the outer peripheral surface of the main body 10. Since the movement is blocked, one side edge 22a of the wedge 22 abuts the inner edge of the opening of the hole 21d, and the other side edge 22b abuts the inner edge of the opening of the hole 11a, and the inclined edge portion 22c abuts on the inner edge of the opening of the hole 21e, and the fixed connection between the flange 11 and the connecting portion 21, that is, the fixed connection between the column member 1 and the connecting member 2 is possible.

Then, even if the external force P shown by the arrow in FIG. 2 acting in the same direction as the axial direction of the column member 1 acts so that the wedge 22 is pulled out from the connecting portion 21, the inclined edge portion 22 c Is pressed against the inner edge of the opening of the hole 21e, which makes it difficult for the wedge 22 to be pulled out.

That is, even if a vibration or the like in the vertical direction in FIG. 2 acts on the pillar 1 or the connecting member 2, the above-mentioned fixed connection state cannot be easily released by the vibration or the like. become.

When the wedge 22 is pulled out to release the connection between the column member 1 and the connecting member 2, the external force is larger than the external force P and the extension line direction of the inclined edge portion 22c is larger than the external force P. It suffices to hit the tip side so that it follows along.

The wedge 22 has a flange portion 22d at the base end, and is formed so that the wedge portion 22 can be press-fitted by hitting the flange portion 22d with an appropriate tool such as a hammer. .

Further, the wedge 22 has a hole 22e at its tip, and a rivet 22f is caulked and fixed to the hole 22e.

The rivet 22f is formed so that its axial length is longer than the widthwise length for inserting the wedge 22 of the hole 21d in the upper side portion 21a of the connecting portion 21. ing.

That is, when the wedge 22 is pulled out, that is, when it is not used, the wedge 22 is always held in the connecting portion 21 in a floating state as shown in the phantom diagram in FIG. Care is taken so that the wedge 22 does not come off from the connecting portion 21 in a so-called lost state at times.

A protrusion 21f is formed in the hole 21d of the upper side portion 21a of the connecting portion 21, and as shown in another phantom diagram in FIG. 2, inside the guide portion 21c of the connecting portion 21. When the flange 11 is retracted from the so-called empty state, it is possible to fix the wedge 22 in the hole 21d so that the wedge 22 collides with other parts when the connecting member 2 is transported. Care is taken to prevent inconveniences such as bending.

Therefore, when the strut device according to the present invention formed as described above is used, for example, when forming a scaffold, a plurality of pillar members 1 are erected at desired appropriate intervals. It suffices to connect a plurality of connecting members 2 to the vertically-arranged pillar member 1 by using wedges 22.

Then, in order to further connect the connecting member 2 as a brace or a horizontal diagonal member to the pillar member 1, it is sufficient to use another hole 11 a of the flange 11 of the pillar member 1.

When the pillar 1 is erected, it is necessary that the hole 11a formed in the flange 11 be positioned in the arrangement direction of the connecting member 2, but the width formed in the hole 11a. The wide guide portion 11b also need not be positioned in the above-mentioned arrangement direction.

That is, even when the wide guide portion 11b is not accurately oriented in the arrangement direction of the connecting member 2 when the pillar 1 is erected, the wedge 22 has the narrow guide portion 11c of the hole 11a. This is because it may be press-fitted by using.

Assuming that the width portion 11b is positioned in the arrangement direction of the connecting members 2, when the connecting members 2 are connected to each other, when the correlation angle is 8 pieces, 45 degrees or 4 pieces are used. It can be easily maintained at 90 degrees, and the angle can be set to 30 degrees or 60 degrees by using the narrow guide portion 11c.

Fine adjustment is possible even within the wide guide portion 11b.

FIG. 5 shows an embodiment of a combined scaffold A as a erection scaffold using the device of the present invention. The combined scaffold A includes a large number of pillar members 1 which are vertically erected as vertical members. , And a large number of connecting members 2 which are laid as lateral and diagonal members, and have a step 3 at an appropriate place.

An auxiliary body 13 is connected to the upper end of the main body 10 of the pillar 1.

The pillar member 1 is configured such that the reference height between the pillar member 1 and the other pillar members 1 is constant by using the jack 12 arranged at the lower end.

Further, the space between the pillar members 1 is secured by the connecting member 2 which is installed in the lateral direction, and the standing state of each pillar member 1 is maintained by the connecting member 2 which is installed in the diagonal direction.

Further, the fixed connection between each pillar 1 and each connecting member 2 is performed by connecting the flange 11 disposed on the pillar 1 and the connecting member 2 so that the flange 11 is present. A wedge 22 is press-fitted into the part 21 to allow it.

The main body portion 30 of the staircase 3 is formed in the same manner as the diagonal connecting member 2, and the upper and lower ends that are both ends thereof are also adjacent to each other by using the wedge 22 as in the connecting member 2. It is assumed that the pillar member 1 is fixedly connected to the pillar member 1, but instead of this, a so-called hook using a hook may be used.

The main body portion 30 of the staircase 3 is provided with a plurality of steps 31 and a handrail 32.

According to the present embodiment, it is possible to easily form the assembled scaffold A as a so-called erection scaffold having a desired size over a wide range in the longitudinal direction and the lateral direction by using the device of the present invention.

FIG. 6 shows an embodiment of a panel support B as a supporting work using the device of the present invention. The panel support B is a column member 1 standing upright at appropriate intervals, and the column member B. It is composed of a large number of connecting members 2 that connect 1 from the lateral direction, and an auxiliary body 13 is connected to the upper end of the main body 10 of the pillar member 1.

When the panel support B is a small support work, the pillar material 1 may be provided in a single number on the left and right in the figure, but as in the present embodiment, it can be divided into two depending on the degree of support work. It may be a pair of books, and if the support work is heavy, it may be a pair of three or more books.

Further, the auxiliary body 13 is required when the height from the base surface such as the ground to the upper supporting surface is large or large, and it has two steps as shown in the figure, or It may be a multi-tiered one.

In the present embodiment, the connecting member 2 is a short member arranged so as to form a pair of pillar members 1 and a space between the pillar members 1 formed in the pair, as shown in the figure. It is said that it will consist of a long one erected in.

The short connecting members 2 prevent buckling of the pair of pillar members 1, and the long connecting members 2 serve as so-called supports for the pair of pillar members 1. Acts to enable you to be independent.

The fixed connection between each pillar 1 and each connection 2 is, of course, due to the use of the wedge 22 according to the present invention.

In this embodiment, the expansion and contraction adjuster 14 similar to the jack 12 is arranged at the upper end of the pillar 1, that is, the upper end of the uppermost auxiliary body 13, and the upper body floor is provided. The auxiliary body 13 is connected to a forming adjuster 15 and a boom 16 for facilitating the forming of the frame beam, and the auxiliary body 13 is connected to the boom. The expansion and contraction adjuster 14 is also provided at 16.

According to this embodiment, it is possible to easily obtain the panel support B as a supporting work adapted to the scale and form of the reinforced concrete skeleton.

FIG. 7 shows an embodiment of a tower C formed by using the device of the present invention. The tower C is composed of a large number of column members 1 standing upright in the vertical direction and in the horizontal direction. It is composed of many connecting materials 2 that are erected, and has stairs 3 at appropriate places.

A multi-step auxiliary body 13 is connected to the upper end of the main body 10 of the pillar 1.

Although not shown, it is needless to say that a connecting member 2 as a diagonal member is appropriately connected to the pillar member 1.

In the present embodiment, the pillar 1 is assumed to be erected on an appropriate base 17, and wheels 18 are attached to the lower surface of the base 17. It is said that the tower C is movable so that it can be freely moved to a desired place.

The base 17 may be a so-called fixed type in which the wheels 18 are not provided.

Further, the fixed connection between each pillar 1 and each connecting member 2 is, of course, allowed by the wedge 22.

The staircase 3 is formed in the same manner as the staircase 3 in the embodiment shown in FIG. 5, and the main body is fixedly connected to the adjacent pillar material 1 by using the wedge 22. In the part 30, several steps 31 are laid and a handrail 32 is attached.

According to the present embodiment, the tower C having a desired size and height can be easily formed by using the device of the present invention in which the above-mentioned scaffold A and panel support B are formed. .

FIG. 8 shows an embodiment of another panel support D using the device of the present invention. The panel support D is formed in a so-called columnar shape, and has an appropriate small space. The pillar member 1 is composed of a large number of pillar members 1 that are installed in a concentrated manner and a large number of short connecting members 2 that are installed so as to continuously connect the plurality of pillar members 1 from the lateral direction. An auxiliary body 13 is integrally provided on the upper end of the main body 10 in FIG. 1, and the auxiliary body 13 is also connected to the main body 10 using the short connecting member 2 described above.

In view of the fact that the panel support D is set as a support for supporting a heavy concrete skeleton, the pillar materials 1 are arranged in a concentrated manner as described above, Of course, the number is appropriately changed.

The main body 10 of the pillar 1 is arranged by using the jack 12 so that the reference height between the main body 10 and the main bodies 10 of the other adjacent pillars 1 is constant. .

Further, in this embodiment, the expansion and contraction adjuster 14 similar to the jack 12 is arranged at the upper end of the uppermost auxiliary body 13.

In the above-mentioned pillar material 1, a main body 10 or an auxiliary body 13 which is positioned at the outermost side is connected to a long connecting material 2 which can be connected to another panel support D. There is.

The short connecting members 2 mutually prevent buckling of the column members 1 and act so that all the column members 1 can stand as one so-called column.

It should be noted that the fixed connection between the pillar members 1 and the connecting members 2 uses the wedge 22 according to the present invention.

According to this embodiment, it is possible to easily obtain the panel support D as a so-called large-scale support adapted to the case where the structure of the reinforced concrete skeleton has a large scale.

FIG. 9 shows an embodiment of a suspension scaffold E as a erection scaffold. The suspension scaffold E has the upper end of the pillar material 1 integrally suspended by a beam material or the like as a frame of a structure. In addition, the column members 1 are connected to each other by the connecting members 2 in the lateral direction, and further, the connecting members 2 as diagonal members are arranged.

The fixed connection between each pillar 1 and each connecting member 2 is, of course, possible by using the wedge 22 according to the present invention.

According to the present embodiment, the suspension scaffold E as an erection scaffold can be easily formed at a desired place by using the device of the present invention.

Each of the embodiments shown in FIGS. 5 to 9 described above is a case where the device of the present invention is used as a so-called erection device at a construction site, but the device of the present invention is used as a so-called erection device at a shipbuilding site. Of course, it is possible to use.

[0092]

[Effect of device]

 As described above, the device of the present invention has the following effects.

Since the holes of the flange are formed in the same shape and a plurality of holes are formed, it is easy to obtain the directionality when the pillar material is erected as a vertical material, and as a result, a desired erection device is formed. In doing so, there is an advantage that the convenience and speed of the work can be obtained.

Even if the wedge or the wear of the flange is caused by the repeated use of the wedge, it is possible to select and use any position of the wide guide portion of the hole in the flange, and improve the durability of the erection device. There is an advantage that it can be made.

By selectively engaging the wedge with an arbitrary position of the central wide guide portion, the attachment direction of the connecting member can be set at various angles and fine adjustment can be performed.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a support device according to the present invention.

FIG. 2 is a partial cross-sectional view showing a connection state between a column member and a connecting member in an enlarged manner.

FIG. 3 is an enlarged plan view showing a flange fixed to a column member.

FIG. 4 is a front view showing a wedge held by a connecting portion of a connecting member.

FIG. 5 is a front view of the erection device.

FIG. 6 is a front view of the erection device.

FIG. 7 is a front view of the erection device.

FIG. 8 is a front view of the erection device.

FIG. 9 is a front view of the erection device.

[Explanation of symbols]

 1 pillar material 2 connecting material 10 main body 11 flange 11a hole 11b wide guide part 11c narrow guide part 20 main body 21 connecting part 21a upper side part 21b lower side part 21c guiding part 21d, 21e hole 21f protrusion 22 wedge 22a, 22b side edge 22c Inclined edge A, B, C, D, E Erection device

Claims (1)

[Scope of utility model registration request] 1. A column member having a large number of flanges at regular intervals on an outer peripheral surface of a pipe-shaped body, and a connecting member having a bifurcated connecting portion including an upper side portion and a lower side portion at an end portion of the pipe-shaped body. And a wedge inserted into the hole of the connecting portion and the hole of the flange. When the flange is present in the connecting portion, the flange and the upper side portion and the lower side portion of the connecting portion are formed to communicate with each other. In a strut device formed by press-fitting the wedge into each hole in a state to connect the column member and the connecting member, the plurality of holes formed in the flange have the same shape, and The column device, wherein the hole of the flange has a deep wide guide portion at the center of the outer peripheral side edge thereof.